The Hose,air Duct, cataloged under National Stock Number 4720-01-407-2990, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Cepeda Associates, Inc. Dba Cepeda Associates Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-407-2990 |
| Primary Part Number | 1052-D104-H-10 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| Status | ACTIVE |
| Measuring Method and Length | 26.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | SCUFF STRIP |
| Inside Diameter | 4.000 INCHES NOMINAL FIRST END IN |
| Material | PLASTIC POLYAMIDE NYLON COVER |
| Material | PLASTIC POLYAMIDE NYLON FIRST PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1052-D104-H-10 PRIMARY | Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| 1052-D104 | D/9 Drawing number reference only Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| 1052-H-10 | 5/9 Secondary reference Cepeda Associates, Inc. Dba Cepeda Associates Inc |
NSN 4720-01-407-2990 is a Hose,air Duct, manufactured by Cepeda Associates, Inc. Dba Cepeda Associates Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-407-2990 has 1 manufacturer part number on file: 1052-D104-H-10 (Cepeda Associates, Inc. Dba Cepeda Associates Inc).
Key specifications for 1052-D104-H-10: Measuring Method and Length: 26.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Cross-Sectional Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.